Fast detection of system nonlinearity using nonstationary signals

Erliang Zhang, J. Antoni, Rik Pintelon, Joannes Schoukens

Onderzoeksoutput: Articlepeer review

11 Citaten (Scopus)

Samenvatting

This pape proposes a method for the detection and quantification of nonlinear distortions in the output of a dynamic system. The basic idea is to use a nonstationary excitation that makes the nonlinear distortions also nonstationary, thus making possible their differentiation from stationary plant noise. The nonstationarity of the excitation allows the evolution of the system nonlinearity to be assessed in one single shot, thus greatly accelerating the experiment.
Originele taal-2English
Pagina's (van-tot)2065-2075
Aantal pagina's11
TijdschriftMechanical Systems and Signal Processing
Volume24
StatusPublished - 1 aug 2010

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